17 results about "Hyperboloid structure" patented technology

The application relates to a spatial double-curved continuous bridge structure based on a non-uniform layering process and a construction method, and the concrete 3D printing bridge body comprises a plurality of longitudinally closely arranged arch span units, the middle part of the arch span unit is downwardly bent in the transverse direction, the middle part of the arch span unit is upwardly bent in the longitudinal direction, the whole is a double-curved structure, and the top part is provided with a longitudinal groove; each arch span unit comprises a plurality of longitudinally closely arranged U-shaped segmented printing components, and the segmentation lines between the U-shaped segmented printing components are distributed in a radial manner in the longitudinal direction. The application designs and constructs a spatial double-curved continuous bridge, combines the free forming capacity of the concrete 3D printing technology and the stress advantage of the arch structure, introduces non-uniform layering slicing, path optimization and multi-degree-of-freedom printing and other technologies, and can ensure the stability of the printing process and the quality of the components; meanwhile, the non-uniform layering control technology is adopted, accurate printing of variable layer thickness can be realized, and the effective connection of the printing components and the foundation and the steel structure and the positioning and installation precision of the whole bridge are ensured.

The utility model provides a multi-stage energy consumption combined damping seismic mitigation and isolation support which comprises an upper seat plate and a lower seat plate, the lower seat plate is located above the upper seat plate, a plane sliding plate is arranged at the top of the lower seat plate, a middle plate is arranged at the top of the plane sliding plate, a curved surface groove is formed in the top of the middle plate, and the curved surface groove is located in the middle plate. And an annular groove is formed in the bottom of the upper seat plate. The upper seat plate, the double-curved-surface plate, the middle plate and the two spherical sliding plates form a double-curved-surface structure, and the multiple wave-shaped damping elements form a wave-shaped steel damping structure. When an earthquake occurs, the device can automatically adjust the working state according to different earthquake magnitudes. In a small earthquake, a primary energy consumption mechanism of the double-curved-surface structure is utilized; when a large earthquake occurs, the lower shear pin is cut off, the wave-shaped steel damping structure is activated, and the wave-shaped steel damping structure and the hyperboloid structure work cooperatively, so that larger damping force output is achieved, displacement caused by the earthquake is effectively controlled, the earthquake response of structures such as bridges and buildings is remarkably reduced, and the safety of a main body structure is protected.

The invention provides a uniparted hyperboloid self-adaptive capturing manipulator, and relates to the technical field of space capturing. The folding and unfolding device comprises a folding and unfolding fixing frame, rope clusters, a rotating assembly and a driving motor, the multiple rope clusters are arranged on the folding and unfolding fixing frame, the first ends of the rope clusters are fixedly connected with the first end of the folding and unfolding fixing frame, the rotating assembly is arranged at the second end of the folding and unfolding fixing frame, and the second ends of the rope clusters are fixedly connected with the rotating assembly; the driving motor is arranged at the second end of the folding and unfolding fixing frame, and the driving end of the driving motor is connected with the rotating assembly. A uniparted hyperboloid structure is adopted, folding and unfolding deformation of the curved surface of the rope gripper can be achieved through simple rotation, and the capturing principle is formed. The rope is used as the gripper, and the advantages of flexibility and mechanical strength are achieved. And folding and unfolding in the height direction are achieved through the folding and unfolding fixing frame, and transportation is convenient. And by adopting a simple capturing principle and structure, engineering manufacturing and assembling and subsequent maintenance are easy to realize.

This invention discloses a structure and construction method for a steel-structured skylight with curtain walls, relating to the field of curtain wall construction technology. The overall shape of the skylight is a hyperboloid structure, vertically divided into multiple hyperboloid grids. Each hyperboloid grid includes two single-curved grids, each with a folded surface. The single-curved grids use flat glass panels with a four-sided support structure, and the glass panels are made of photovoltaic glass. Stainless steel gutters are installed between each folded surface of the single-curved grid. This invention employs a hyperboloid grid structure design, combining folded surfaces and single-curved grids to enhance the building's aesthetics and three-dimensionality. The gutters, combined with thermal insulation rock wool, meet drainage requirements and resolve issues of uneven heights and non-parallel spatial relationships between the glass panels, while ensuring thermal insulation performance.

This invention discloses a special tooling for processing sectors of a fusion reactor vacuum chamber, belonging to the field of tooling for processing nuclear fusion devices. The tooling includes a trapezoidal central frame, around which a left support, upper support, right support, and lower support are respectively installed. These four supports collectively support the hyperboloid structure components of a large magnetic confinement fusion vacuum chamber. This invention involves suspending the central frame and flipping the tooling, allowing the central frame to provide support for the entire device. The left, upper, right, and lower supports collectively support the hyperboloid structure components of the large magnetic confinement fusion vacuum chamber. The left, upper, right, and lower supports can be disassembled from the central frame, facilitating the sequential clamping and welding of workpieces. This effectively improves the assembly accuracy of different curved surfaces of the vacuum chamber, the processing and manufacturing accuracy of curved structures, reduces costs, and decreases workload.

The invention relates to a polygonal steel box girder structure of an extra-thick plate in a spatial distortion form. The polygonal steel box girder structure is characterized by comprising a bottom plate, webs, a top plate and partition plates, the partition plate is arranged in a box body structure defined by the bottom plate, the web plates and the top plate. A detailed welding scheme is designed for the extra-thick plate steel box girder structure in the spatial distortion form; a large number of space hyperboloid structures are subjected to fine lofting, and the bending and twisting and buckling shapes of plate units are accurately controlled; the method comprises the steps of plate feeding, groove cutting, grinding and welding, different assembling and welding modes are adopted for different positions, the tensile strength of a welding area, the yield strength of weld metal, the percentage elongation after fracture, impact resistance and other physical properties of the welded steel box girder structure in the spatial distortion form meet the construction requirements, and the construction quality is ensured; according to the method, the existing equipment basis is combined, the production process flow and the operation method are improved, the cost is effectively saved, the first-pass yield of welding seams is high, and the welding quality of the steel box girder is remarkably improved.

The invention provides a heat storage body based on asymmetrical dissipation structure and electromagnetic field cooperation and a preparation method, the heat storage body comprises a spiral framework, a stress buffer layer and an energy storage core layer, the spiral framework is provided with an asymmetrical hyperboloid structure, the curvature of the inner wall of the asymmetrical hyperboloid structure is different from that of the outer portion of the asymmetrical hyperboloid structure, and the spiral framework is prepared from steel slag; the stress buffer layer is made of a negative thermal expansion ceramic material and covers the outer wall of the spiral framework, and the energy storage core layer is made of a solid waste-based composite phase change material and is filled in the spiral framework. Through the arrangement of the spiral framework, the radiation heat dissipation effect can be enhanced, the temperature gradient is reduced, internal stress and thermal stress are effectively inhibited, and the service life is prolonged; through the arrangement of the stress buffer layer, the energy storage core layer can be prevented from being greatly shrunk, and the destructive effect of thermal stress on the heat storage body is further relieved; by means of the arrangement of the energy storage core layer, the uniformity of an internal thermal field can be actively adjusted, and crack growth and collapse caused by uneven thermal stress are effectively restrained.

A valve (1) for regulating gas contained in an envelope of an atmospheric balloon, said valve comprising a fixed flange (10) intended to be secured to the envelope of said balloon, a mobile flange (20), a sealed flexible membrane (30) secured to the two flanges and defining a gas circulation channel, and also means for rotating the mobile flange with respect to the fixed flange between a position referred to as the open position, in which the gas flow can escape into said circulation channel formed by said membrane (30), and a position referred to as the closed position, obtained by twisting said membrane (30) to form a hyperboloid structure which prevents any circulation of gas through said valve.

The invention relates to a space double-curved-surface continuous bridge structure based on a non-uniform lamination process and a construction method. A concrete 3D printing bridge body comprises a plurality of arch span units which are longitudinally and tightly arranged, the transverse middle portions of the arch span units are bent downwards, the longitudinal middle portions of the arch span units are bent upwards, the whole arch span units are of a double-curved-surface structure, and longitudinal grooves are formed in the tops of the arch span units; each arch span unit comprises a plurality of U-shaped segmented printing components which are tightly arranged in the longitudinal direction, and parting lines between the U-shaped segmented printing components are distributed in a radial mode in the longitudinal direction. A space double-curved-surface continuous bridge is designed and built, the free forming capacity of the concrete 3D printing technology and the stress advantage of an arch structure are combined, technologies such as non-uniform lamination slicing, path optimization and multi-degree-of-freedom printing are introduced, and the stability of the printing process and the quality of components can be ensured; and meanwhile, by adopting a non-uniform lamination control technology, accurate printing with variable layer thickness can be realized, and effective connection of a printing component, a foundation and a steel structure and the positioning and mounting precision of the whole bridge are ensured.

The utility model discloses a double-curved-surface large-span box type steel structure connecting bridge. The double-curved-surface large-span box type steel structure connecting bridge is characterized in that a bridge main frame comprises an arc-shaped upper beam, an arc-shaped lower beam, a plurality of upper cross beams connected with the upper beam, a plurality of lower cross beams connected with the lower beam, a plurality of vertical beams connected with the upper beam and the lower beam, inhaul cables connected with the adjacent vertical beams and supporting columns connected with the lower beam. A bridge main frame is composed of an upper beam and a lower beam which are arranged in an arc shape, the upper beam and an upper cross beam form a curved-surface-shaped upper top surface, and the lower beam and a lower cross beam form a curved-surface-shaped bottom surface, so that the upper surface and the lower surface of the whole bridge main frame form a double-curved-surface structure; the curved-surface-shaped front face and the curved-surface-shaped rear face are formed by the upper beams, the lower beams and the vertical beams, so that the front face and the rear face of the whole bridge form the double-curved-surface structures, and the whole bridge main frame is of the double-curved-surface structures from the upper portion to the lower portion or from the front portion to the rear portion. The arc-shaped curved surface structure is used for enhancing the strength, firmness, supporting performance, overload performance, strong wind resistance and other performance of the whole bridge main frame.

The invention discloses a double-curved-surface cable membrane sky screen system and an installation method thereof. The system comprises a supporting assembly installed on an external platform, a membrane cloth assembly arranged on the supporting assembly, a traction assembly for pulling the membrane cloth assembly and a drainage assembly for draining accumulated water flowing down from the membrane cloth assembly. The supporting assembly is formed by combining and splicing a socket frame, a track fixing piece and a pulley, the membrane cloth assembly comprises a double-curved-surface-structure awning membrane cloth and a tensioning part connected with the pulley, and the traction assembly comprises a winch arranged on an external platform, a traction rope connecting the winch with the tensioning part and a pulley structure making contact with the traction rope. According to the system, through accurate cooperation of all the assemblies, convenient and fast mounting and dismounting, flexible folding and unfolding, accumulated water guide and drainage and dynamic adjustment adapting to field working conditions of the sky curtain are achieved, the universality and practicability of the system are improved, the manpower and time cost is reduced, and the safety of the construction environment is guaranteed; and the construction efficiency of the building machine is effectively improved.

The invention discloses a hyperboloid GRG modeling modular design structure based on a large-area roof, comprising: a steel structure base layer assembled on a roof base layer; the edges of the upper concave mould plates and the lower convex mould plates are spliced together to form a double-curved-surface structure, and the double-curved-surface structure is assembled on the steel structure base layer; the first reinforcing structure comprises a first connecting seat, a first lifting piece and a second hanging rod, the first lifting piece is in butt joint with the top face of the upper concave mould plate, and the first connecting seat and the second connecting seat are assembled on the roof base layer through the second hanging rod; and the second reinforcing structure comprises a second connecting base, a second lifting piece and a third hanging rod, the second lifting piece is in butt joint with the top face of the downward-protruding mold plate, and the second connecting base and the second lifting piece are assembled on the roof base layer through the third hanging rod. The problems that an existing double-curved-surface GRG integral model is large in manufacturing forming and assembling difficulty, poor in assembling strength and structure shaping stability, and poor in appearance attractiveness and service life can be solved.

VALVE FOR REGULATING GAS CONTAINED IN AN ATMOSPHERIC BALLOON AND BALLOON EQUIPPED WITH SUCH A VALVE Valve (1) for regulating gas contained in an envelope of an atmospheric balloon, said valve comprising a fixed flange (10) intended to be secured to the envelope of said balloon, a movable flange (20), a flexible sealed membrane (30) secured to the two flanges and defining a gas circulation channel, as well as means for rotating the movable flange relative to the fixed flange between a position, called the open position, in which the gas flow can escape into said circulation channel formed by said membrane (30) and a position, called the closed position, obtained by twisting said membrane (30) according to a hyperboloid structure which prevents any circulation of gas through said valve. Figure for the abstract: figure 4

The invention provides a dynamic orthosis based on a hyperboloid structure and a control method of the dynamic orthosis. The dynamic orthosis comprises a dynamic orthosis body capable of being worn on a patient. The dynamic orthosis body comprises a first variable radius mechanism, a first variable spacing mechanism, a first variable phase mechanism, a variable height mechanism, a second variable phase mechanism, a second variable spacing mechanism and a second variable radius mechanism; the dynamic orthosis body further comprises a plurality of variable-length curved surface connecting rods which are movably connected with the first variable-radius mechanism and the second variable-radius mechanism through universal ball joints respectively; the device has the beneficial effects that the shape righting mechanism is designed by adopting a double-curved-surface structure, and the double curved surfaces can be timely adjusted through the variable-radius mechanism, the variable-spacing mechanism, the variable-phase mechanism and the variable-height mechanism; according to the design, the action position and the action size of orthopedic force can be adjusted in real time, meanwhile, the shape of the curved surface can be adjusted, and it is ensured that the orthopedic device can accurately apply force in various daily activities of a patient.

This invention provides a construction method for large-span irregular hyperboloid fair-faced concrete, belonging to the field of concrete construction technology. The method includes the following steps: construction preparation; modeling the large-span irregular hyperboloid structure and exporting two-dimensional drawings; on-site positioning and layout; assembling and adjusting the inner and outer formwork on-site; installing exposed joint strips at the construction joint location on the inner side of the outer formwork; binding and fixing the inner and outer formwork with reinforcing bars and ties; continuously pouring fair-faced concrete between the inner and outer formwork; sequentially removing the reinforcing bars and ties, the outer formwork, the exposed joint strips, and the inner formwork; and curing and surface treating the formed fair-faced concrete. This invention solves the problem of uneven demolding force due to improper operation during formwork removal, which can easily lead to edge cracking at exposed joints, and avoids increasing construction difficulty and affecting construction efficiency by filling the edge gaps.

The utility model relates to a ventilation roof structure, the whole ventilation roof structure is a double-curved-surface structure with a high middle part and two low sides, and any curved surface comprises a plurality of roof unit structures and a plurality of aluminum strip plate suspended ceilings assembled with the roof unit structures; any roof unit structure is of a four-point structure on the whole and comprises a corner point A, a corner point B, a corner point C and a corner point D. The corner point A and the corner point B are points on the same side close to the middle of the whole ventilation roof structure. The angular point A is higher than the angular point B, the angular point C and the angular point D; and the roof unit structure and another adjacent roof unit structure form a triangular skylight. According to the utility model, the main structure consists of a plurality of tree-shaped supporting units, and the stability of the roof is enhanced through the mutual connection of the secondary trusses and the primary trusses; the triangular skylight is formed through high-low staggering of the roof unit structures, and the interior of the building is cooled at night in summer under the natural environment condition of valleys on the premise that an air conditioner is not used.

The invention discloses a secondary reflection structure applied to a space condensation type solar cell system. The secondary reflection structure comprises a primary mirror, a secondary mirror, a secondary mirror support and a light funnel. The primary mirror comprises a primary mirror base body which is of a quadrilateral outline nearly parabolic spherical surface structure, a reflecting layer and a transparent infrared radiation layer are sequentially arranged on the optical working face of the primary mirror base body, and the dual functions of efficient optical reflection and passive radiation heat dissipation are achieved. And the optical working surface of the secondary mirror adopts a near-hyperboloid structure, and is fixed in a reflecting light path convergence area of the primary mirror through a secondary mirror bracket to secondarily reflect light rays reflected by the primary mirror. The light funnel is of a conical cavity structure, an inlet of the light funnel is connected with a secondary mirror reflection light path, and an outlet corresponds to the light receiving face of the battery piece to finish final light guiding. Through optical-thermal function integrated primary mirror design, accurate optical path construction and stable mechanical support, the heat dissipation problem of an optical element is effectively solved while high-power light condensation efficiency is ensured, and the adaptability and reliability of a system in a space environment are improved.